Used on wing assy,c-17 acft. 0.295" hole diameter 5.540" overall length 4.060" overall width 6 bolt hole quantity shape is hexagonal, but sides are not of equal length; center aperture isan ellipse
0.270" hole diameter 6.630" overall length 6.500" overall width 4 bolt hole quantity one 1.440 inch long by 0.500 inch wide slot located 1.310" from outer edge along the width non-circular